摘要
简介了IEC 61131-3标准软件模型和通讯模型,通过应用实例介绍了IEC五种编程语言(梯形图LD、顺序功能图SFC、功能块图DFB、指令表IL、结构文本ST)在PLC中的编程应用和使用特点。
Standard software model and communication model of IEC61131 - 3 were introduced. The pro- gramming application and using characteristics of five IEC programming languages such as Ladder diagram, In- struction List, Function block diagram, Structure Text and Sequential function chart in PLC system were em- phasized.
出处
《成都纺织高等专科学校学报》
CAS
2012年第2期23-25,53,共4页
Journal of Chengdu Textile College
